diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 74158ce55319..0aef7c21931a 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1909,6 +1909,7 @@ next:
 	}
 
 	if (size) {
+		flags |= FIEMAP_EXTENT_MERGED;
 		if (IS_ENCRYPTED(inode))
 			flags |= FIEMAP_EXTENT_DATA_ENCRYPTED;